/**
 * Returns a querystring-formatted string (e.g. &arg=val&arg2=val2) from a params
 * object (e.g. {arg: 'val', arg2: 'val2'})
 * Note: You must prepend it with ? when adding it to a URL.
 *
 * @param {!Object} querystringParams
 * @return {string}
 */
export declare const querystring: (querystringParams: any) => string;
/**
 * Decodes a querystring (e.g. ?arg=val&arg2=val2) into a params object (e.g. {arg: 'val', arg2: 'val2'})
 *
 * @param {string} querystring
 * @return {!Object}
 */
export declare const querystringDecode: (querystring: any) => {};
